Adjustable 7 to 14 inches to Fit Short and Tall Tanks Universal fit for 1 and 2 piece toilets with 7/8 inch pipe connection Includes 7/8 inch Strainer to Catches Sediment in the Water Fix Running, Noisy, and Slow Filling toilets NuFlush Adjustable Water Height Fill Valve. Fill Valves are designed to fill the toilet tank with water from the water supply line after it has been emptied by a flush. This fill valve is a universal fit for 1 and 2 piece toilets that are bottom water fed with a 7/8" pipe connection. The fill valve replaces the ballcock mechanism and is more efficient and easy to install. . ** Actual Fill Valve Color may vary from the images shown **